Five attacking players Chelsea want to compliment Diego Costa, including key Liverpool target

2) Vincent Aboubakar (Lorient)

Powerful Lorient striker Vincent Aboubakar impressed in flashes at the 2014 FIFA World Cup, despite the disappointing campaign that was endured by his Cameroonian team.

Aboubakar has been linked with a move to Stamford Bridge by the French media this summer and would represent a cheap back-up option but also one who has the potential to develop into an extremely impressive centre forward.